1789: The War Department established a regular army. 1901: Italian-born Nobel physicist Enrico Fermi was born. 1913: Rudolf Diesel, German thermal engineer who invented the internal-combustion engine that bears his name, died. 1914: A patent for a "Phonograph Record" was granted to Thomas Edison. 1915: The first transcontinental radio telephone demonstration was given in New York City, where speech was transmitted via Arlington, VA to Mare Island at San Francisco, CA. 1925: Aerovironment founder Paul MacCready, designer of the Gossamer series of human and solar powered aircraft, was born. 1946: "The Adventures of Sam Spade" debuted on CBS Radio. 1950: General MacArthur's troops liberated Seoul, South Korea. 1990: The California Air Resources Board adopted the Zero Emission Vehicle (ZEV) mandate requiring 2% of vehicles beginning in 1998 (rising to 5% in 2001, 10% in 2003) must have no exhaust emissions.
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historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
this article, there is
a lot of wrong information that is repeated hundreds of times because most websites do
not validate with authoritative sources. On RF Cafe, events with
hyperlinks have been verified. Many years ago, I began
commemorating the birthdays of notable people and events with
special RF Cafe logos. Where
available, I like to use images from postage stamps from the country where the person
or event occurred. Images used in the logos are often from open source websites like
Wikipedia, and are specifically credited with a hyperlink back to the source where possible.
Fair Use laws permit small
samples of copyrighted content.